Allow gyp build to turn on OBJECT_PRINT

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 34508913fedd2d8b7f3482b91c25821c311a6507..09ecd3623b219d76112ce43fa7e0fcbfecbe2131 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -60,6 +60,8 @@
 
     'v8_enable_disassembler%': 0,
 
+    'v8_object_print%': 0,
+
     'v8_enable_gdbjit%': 0,
 
     # Enable profiling support. Only required on Windows.
@@ -84,6 +86,9 @@
       ['v8_enable_disassembler==1', {
         'defines': ['ENABLE_DISASSEMBLER',],
       }],
+      ['v8_object_print==1', {
+        'defines': ['OBJECT_PRINT',],
+      }],
       ['v8_enable_gdbjit==1', {
         'defines': ['ENABLE_GDB_JIT_INTERFACE',],
       }],